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How much protein is in a fillet of fish from McDonald's?

4 min read

According to McDonald's official US nutrition information, a single Filet-O-Fish sandwich contains 16 grams of protein. This protein comes from a combination of the wild-caught Alaska pollock patty, the soft steamed bun, and the melted American cheese.

Quick Summary

The Filet-O-Fish sandwich offers a moderate 16 grams of protein, sourced from its deep-fried Alaska pollock fillet, cheese, and bun. Its nutritional value is influenced by its preparation method and other high-carb and high-fat ingredients.

Key Points

  • Protein Content: A Filet-O-Fish sandwich in the US contains 16 grams of protein.

  • Primary Source: The majority of the protein comes from the wild-caught Alaska pollock fish patty, which contributes about 9 grams.

  • Overall Nutrition: The sandwich also contains 380 calories, with 19g of total fat and 38g of carbohydrates, largely due to the deep-frying and bun.

  • Moderate, Not High-Protein: While a decent source for a fast-food meal, it is not considered a dedicated high-protein option when considering its total macronutrient breakdown.

  • Sustainably Sourced: The fish patty is made from wild-caught Alaska pollock from sustainably managed fisheries.

  • Comparison: It offers slightly more protein than a standard cheeseburger but less than a McDouble or McCrispy.

In This Article

Unpacking the Filet-O-Fish Protein Count

For many, the Filet-O-Fish is a welcome alternative to the standard beef or chicken fare at McDonald's, particularly during seasons like Lent. Beyond the taste, a common question revolves around its nutritional value, with protein content being a key concern for many health-conscious consumers. Based on the official McDonald's USA website, a Filet-O-Fish sandwich provides 16 grams of protein per serving. This figure represents the total protein from all components of the sandwich.

To understand where this protein comes from, it's useful to break down the sandwich's ingredients: the wild-caught Alaska pollock fish patty, the soft steamed bun, the half-slice of American cheese, and the tartar sauce. While the fish fillet is the primary source, the bun and cheese also contribute. According to an ingredient-level breakdown, the fish patty itself contains around 9 grams of protein, making it the most significant contributor. The bun adds approximately 5 grams, and the cheese adds about 1 gram. This means the majority of the protein does indeed come from the fish, as one would expect.

The Complete Macronutrient Profile

While the protein content is important, evaluating a meal's nutritional value requires looking at the bigger picture, including its fat and carbohydrate levels. The cooking process and accompanying ingredients play a crucial role here. The deep-fried nature of the fish fillet adds to the overall fat content. A standard Filet-O-Fish sandwich contains approximately 380 calories, with 19 grams of total fat and 38 grams of total carbohydrates.

For those watching their intake, it's notable that the calorie distribution is not protein-centric. As reported by one analysis, the calories are split with roughly 47% from fat, 37% from carbohydrates, and 16% from protein, providing perspective on the sandwich's overall composition. This shows that while the sandwich provides a decent amount of protein, it's not a low-fat or low-carb option, which is a key distinction for anyone aiming for a high-protein, low-fat diet.

Comparison: Filet-O-Fish Protein vs. Other McDonald's Items

To better contextualize the Filet-O-Fish's protein, let's compare it to other popular menu items. This helps illustrate its place within McDonald's offerings from a protein standpoint.

Sandwich Protein (approx.) Calories (approx.) Key Insight Reference
Filet-O-Fish 16g 380 Moderate protein for a single sandwich.
Cheeseburger 15g 313 Slightly less protein than the Filet-O-Fish.
McDouble 22g 390 Higher protein content due to two smaller beef patties.
McCrispy 20g ~470 Contains more protein, but also higher calories.

This comparison table clearly shows that while the Filet-O-Fish offers a respectable amount of protein, it is surpassed by other non-fish sandwiches, especially those with multiple patties. The McCrispy chicken sandwich, for example, delivers more protein but also with a higher total calorie count. For those prioritizing a protein boost, double-patty sandwiches or larger chicken options may be a better choice, but the Filet-O-Fish remains competitive within its category.

The Sourcing and Health Perspective

McDonald's uses wild-caught Alaska pollock for its fish fillet, emphasizing that the fish comes from sustainably managed fisheries. While this is a positive aspect regarding environmental responsibility, it's also worth noting from a health perspective. Alaska pollock is a good source of lean protein and is rich in nutrients like Vitamin B and Omega-3 fatty acids in its natural state. However, the deep-frying process, necessary for that signature crispy texture, adds fat that might not be present in a simple pan-seared or baked fillet. Nutritionists note that this process makes the Filet-O-Fish less nutrient-dense than a non-fried fish dish.

Customization and Considerations for Protein Focus

For those who enjoy the Filet-O-Fish but are looking to increase their protein intake, here are a few options:

  • Modify Your Order: Requesting the sandwich without the tartar sauce is a simple way to decrease calories and fat, as the sauce contributes a notable amount. Some nutritional information shows that without the tartar sauce, the overall calorie and fat content are reduced while maintaining a strong protein level.
  • Pair with Other Items: To create a more protein-focused meal, consider pairing the Filet-O-Fish with a side salad instead of fries. Adding an extra patty (if possible) or even another protein source from a different menu item could also significantly increase the total protein.
  • Explore Other Menu Items: As seen in the comparison table, other sandwiches offer more protein. If your goal is simply to maximize protein, a McDouble or McCrispy may be a more efficient choice.

Conclusion: The Final Verdict on Filet-O-Fish Protein

In summary, a standard McDonald's Filet-O-Fish sandwich contains a moderate 16 grams of protein. The protein is primarily derived from its wild-caught Alaska pollock fillet, but a significant amount also comes from the bun and cheese. When viewed in isolation, this is a respectable amount, but it is important to consider the full nutritional profile, which includes a high percentage of calories from fat and carbohydrates due to the deep-fried preparation. While it is a better protein source than some comparable fast-food options, it is not a high-protein meal in the strictest sense. For those looking to increase their protein intake further, adding patties or choosing other menu items may be a better strategy. Ultimately, the Filet-O-Fish remains a solid, if moderate, source of protein for a fast-food meal, grounded in the quality of sustainably sourced Alaska pollock. For more information on the sourcing, you can visit the Genuine Alaska Pollock Producers website.

Learn more about the sustainable sourcing of Alaska pollock.

Frequently Asked Questions

The fish patty itself provides approximately 9 grams of protein, while the bun adds about 5 grams and the cheese adds another 1 gram, totaling 16 grams for the full sandwich.

While the fish patty provides lean protein, the sandwich's deep-fried preparation and the presence of high-fat and high-carb ingredients mean it is not a low-calorie or low-fat meal. Its healthfulness depends on your overall dietary goals.

A standard Filet-O-Fish sandwich contains around 19 grams of total fat. This is largely due to the deep-fried fish and the tartar sauce.

Yes, other menu items like the McDouble or McCrispy contain more protein per serving. For example, a McDouble has approximately 22 grams of protein.

The fish patty in the Filet-O-Fish is made from wild-caught Alaska pollock, which is sourced from sustainably managed fisheries.

A McDonald's Filet-O-Fish sandwich contains 380 calories, based on the US nutrition guide.

No, the creamy tartar sauce in the Filet-O-Fish contains no protein and adds to the overall fat and calorie count.

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.